tamerlan spent six months in dagestan. relatives say he visited chechnya, also home to islamist militants three times, to visit family and choosing to fly home from the chechen capital. younger brother, dzhokar, was going to visit in may. his father is praying for him to survive. so he can tell us what really happened, he said. kirit radia, abc news, dagestan. >>> the younger brother, the surviving suspect, is being treated in the same hospaln bost a of the bombing victims themselves. tonight, 52 of the injured are still in hospitals around the city of boston. let's not let their stories be overshadowed. here's abc's gio benitez. >> reporter: heroism captured in a photo. a man carrying a wounded woman moments after the marathon bombing. this is them today. caitlin case tells us her story from her hospital room. the friend who saved her life, leo, at her bedside. when you look at that incredible picture, of him carrying you away, what goes through your mind? >> god had angels watching me that day. >> reporter: caitlin was w